Solving Equations

One Step Equations

100

x+5=9

x + 5 = 9, x = 4

200

3+x=-8

3 + x = -8, x = -11

300

x/-10=50

-500

400

3x=-9

-3

500

x - -5 = 10

 x = 5

Two-Step Equations

100

2x + 3 = 9

x = 3

200

h/2+4=12

h = 16

300

Is x = -2 a solution to the following equation? 1 = 4x + 9

Yes, x = -2

400

13t - 17 = -17

t = 0

500

15x - 2.3 = 177.7

x = 12

Solving Equations with Combining Like Terms

100

5h + 2 + 2h = 23

h = 3

200

3b + b - 8 = 4

b = 3

300

3z + 12 - 6z = -9

x = 7

400

-6 = -3y + 4 + 5y

y = -5

500

78=3c+12-c+4

c = 31

Solving Equations Using the Distributive Property

100

2(x + 5) = 14

x = 2

200

5(d - 2) = 40

d = 10

300

7(4 - t)=-84

t = -8

400

-2(x - 9) = -24

x = 21

500

-1(4 + 2a) = 20

a = 12

Solving Equations with Variables on Both Sides

100

9x - 10 = 5x + 14

x = 6

200

Tell whether x = -7 is a solution to the following equation. -3x - 13 = -7x + 15

No, x = 7.

300

6x + 10 = 2x + 2

x = -2

400

-14x = -5(3x + 7)

x = -35

500

3x+2(x-4)=8x-29

x=7

Solving for y

100

y-8=5x

y=5x+8

200

y+6x=13

y=13-6x

300

4y=8x+32

y=2x+8

400

3y-9=6x

y=2x+3

500

5y+x=15

y=3-1/5x